body{
    height: 100vh;
    margin: -20px 0 50px;
    background: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

h1{
    font-weight: bold;
    margin: 0;
}
p{
    font-size: 14px;
    font-weight: 100;
    line-height: 20px;
    letter-spacing: 0.5px;
    margin: 20px 0 30px;
}
span{
    font-size: 12px;
}

a{
    color: #333;
    font-size: 14px;
    text-decoration: none;
    margin: 15px 0;
}

button {
    border-radius: 20px;
    border: 1px solid rgb(255, 255, 255);
    background-color: rgb(106, 233, 15);
    color: #FFFFFF;
    font-size: 12px;
    font-weight: bold;
    padding: 12px 45px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: transform 80ms ease-in;
}
button:active {
    transform: scale(0.95);
}
button:focus {
    outline: none;
}
button.ghost {
    background-color: transparent;
    border-color: #FFFFFF;
}
form {
    background-color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 100px;
    height: 100%;
    text-align: center;
}
input {
    background-color: #eee;
    border: none;
    padding: 12px 15px;
    margin: 8px 0;
    width: 100%;
}

.container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 14px 28px rgba(0,0,0,0.25), 
          0 10px 10px rgba(0,0,0,0.22);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
}

.form-container {
    position: absolute;
    top: 0;
    height: 100%;
    transition: all 0.6s ease-in-out;
}

.sign-in-container {
    left: 0;
    z-index: 2;
}

.sign-up-container {
    left: 0;
    width: 50%;
    opacity: 0;
    z-index: 1;
}

.container.right-panel-active .sign-in-container {
    transform: translateX(100%);
}

.container.right-panel-active .sign-up-container {
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
    animation: show 0.6s;
}   

@keyframes show {
    0%, 49.99% {
    opacity: 0;
    z-index: 1;
}

50%, 100% {
    opacity: 1;
    z-index: 5;
}
}

.overlay-container {
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: transform 0.6s ease-in-out;
    z-index: 100;
}

.container.right-panel-active .overlay-container{
    transform: translateX(-100%);
}

.overlay {
    background: rgb(#c00);
    background: -webkit-linear-gradient(to right, #c00, #c00);
    background: linear-gradient(to right, #c00, #c00);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 0 0;
    color: #FFFFFF;
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}

.container.right-panel-active .overlay {
    transform: translateX(50%);
}

.overlay-panel {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    /* padding: 0 40px; */
    text-align: center;
    top: 0;
    height: 100%;
    width: 50%;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}

/* .overlay-left {
transform: translateX(-20%);
} */

.container.right-panel-active .overlay-left {
    transform: translateX(0);
}

.overlay-right {
    right: 0;
    transform: translateX(0);
}

/* .container.right-panel-active .overlay-right {
transform: translateX(20%);
} */
.icon-xiaohongshu {
    width: 150px;
    height: 150px;
    overflow: hidden;
    z-index: 1;
    position: relative;
    left: 0px;
    top: 0px;
}